{"id":306205,"date":"2024-10-19T20:58:26","date_gmt":"2024-10-19T20:58:26","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-20-30406605-dc-2020\/"},"modified":"2024-10-25T18:33:54","modified_gmt":"2024-10-25T18:33:54","slug":"bsi-20-30406605-dc-2020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-20-30406605-dc-2020\/","title":{"rendered":"BSI 20\/30406605 DC 2020"},"content":{"rendered":"<p>This document specifies a method for determining the drawing and break characteristics of molten plastics. The method involves the measurement of the force generated in deforming a molten filament under defined extrusion temperature and drawing conditions.<\/p>\n<p>Data is generated under non-isothermal and non-homogeneous deformation conditions. However, it is useful for the interpretation of polymer behaviour in extensional flow.<\/p>\n<p>The method is suitable for thermoplastics moulding and extrusion materials that can be extruded using a capillary extrusion rheometer, or an extruder with capillary rod die or other extrusion devices, and have sufficient melt strength to be handled without difficulty.<\/p>\n<p>Such materials should be chemically stable and produce a uniform extrudate free from heterogeneities, bubbles, unmelted impurities, etc.<\/p>\n<p>This method may provide information on<\/p>\n<ul>\n<li>\n<p>processability for all extrusion techniques,<\/p>\n<\/li>\n<li>\n<p>the effect of mechanical and thermal history and<\/p>\n<\/li>\n<li>\n<p>the effect of chemical structure, such as branching, entanglements and molecular mass.<\/p>\n<\/li>\n<\/ul>\n<p>This technique is one of a number of techniques that can be used to measure the extensional flow behaviour of a material. This method of measurement does not necessarily reproduce the drawing conditions to which thermoplastics are subjected to during their processing.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>BS ISO 16790. Plastics. Determination of drawing characteristics of thermoplastics in the molten state<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2020<\/td>\n<td>23<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":306210,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1179,2641],"product_tag":[],"class_list":{"0":"post-306205","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-83-080-20","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/306205","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/306210"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=306205"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=306205"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=306205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}